251465144

素因数分解:

$2^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{449}}^1$

素因数の和:672

約数の個数: 64

約数和(自身を含む): 551448000

約数和(自身を除く): 299982856

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 73, 137, 146, 274, 292, 449, 511, 548, 584, 898, 959, 1022, 1096, 1796, 1918, 2044, 3143, 3592, 3836, 4088, 6286, 7672, 10001, 12572, 20002, 25144, 32777, 40004, 61513, 65554, 70007, 80008, 123026, 131108, 140014, 229439, 246052, 262216, 280028, 430591, 458878, 492104, 560056, 861182, 917756, 1722364, 1835512, 3444728, 4490449, 8980898, 17961796, 31433143, 35923592, 62866286, 125732572, 251465144]

約数ペア:

[(1, 251465144), (2, 125732572), (4, 62866286), (7, 35923592), (8, 31433143), (14, 17961796), (28, 8980898), (56, 4490449), (73, 3444728), (137, 1835512), (146, 1722364), (274, 917756), (292, 861182), (449, 560056), (511, 492104), (548, 458878), (584, 430591), (898, 280028), (959, 262216), (1022, 246052), (1096, 229439), (1796, 140014), (1918, 131108), (2044, 123026), (3143, 80008), (3592, 70007), (3836, 65554), (4088, 61513), (6286, 40004), (7672, 32777), (10001, 25144), (12572, 20002)]